The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 13, 1997
Filed:
May. 17, 1993
R Richard Sargent, Rome, GA (US);
Michael S Williams, Rome, GA (US);
Thomas H Moss, III, Rome, GA (US);
Jeffrey R Alender, Marietta, GA (US);
Peach State Labs, Inc., Rome, GA (US);
Abstract
Novel polyacrylic acid resins are prepared by polymerizing a monomer selected from the group consisting of H.sub.2 C.dbd.CHCO.sub.2 X, H.sub.2 C.dbd.CR.sup.1 CO.sub.2 X, HR.sup.2 C.dbd.CHCO.sub.2 X, HR.sup.2 C.dbd.CR.sup.1 CO.sub.2 X, HR.sup.2 C.dbd.CHCOX, H.sub.2 C.dbd.CHCOX, H.sub.2 C.dbd.CR.sup.1 COX, HR.sup.2 C.dbd.CR.sup.1 COX, H.sub.2 C.dbd.CHCSO.sub.v X, HR.sup.2 C.dbd.CHCSO.sub.v X, HR.sup.2 C.dbd.CR.sup.1 CSO.sub.v X, H.sub.2 C.dbd.CR.sup.1 CSO.sub.v X, H.sub.2 C.dbd.CHCON(R.sup.3).sub.2, HR.sup.2 C.dbd.CHCON(R.sup.3).sub.2, H.sub.2 C.dbd.CR.sup.1 CON(R.sup.3).sub.2, OR HR.sup.2 C.dbd.CR.sup.1 CON(R.sup.3).sub.2, or a combination thereof, in the presence of at least 10% by weight of reaction components of an aromatic sulfonic acid or its salt, wherein: R.sup.1 and R.sup.2 are independently a substituted or unsubstituted alkyl, alkenyl, aromatic, aralkyl or alkaryl moiety of C.sub.1 to C.sub.20 ; R.sup.3 is independently hydrogen or a substituted or unsubstituted alkyl, alkenyl, aromatic, aralkyl or alkaryl moiety of C.sub.1 to C.sub.20 ; and X is hydrogen, substituted or unsubstituted alkyl, alkenyl, aromatic, aralkyl, or alkaryl moiety of C.sub.1 to C.sub.20 ; --CH.sub.2 CH.sub.2 (CF.sub.2 CF.sub.2).sub.n CF.sub.2 CF.sub.3, wherein n is 1-7; polyoxyalkylene; --C(R.sup.2).sub.2 R.sup.3 Y, wherein R.sup.3 is alkylene or polyoxyalkylene (or a combination thereof), and Y is --OSO.sub.3 H, --SO.sub.3 H, --CO.sub.2 H, --PO.sub.3 H, --OPO.sub.3 H, or a salt thereof; CF.sub.3 (CF.sub.2).sub.q -, wherein q is 1-11, hexafluorobutyl, tetrafluoropropyl, sodium, potassium, lithium, ammonium, or quaternary amine; and v is 0, 1, or 2.